diesel fuel gives more torque at lower revs. diesels dont use sperk plugs either, they use a glow plug to start then the high compression takes over
-----Original Message----- From: Chalmers, Ryan [mailto:[EMAIL PROTECTED]] Sent: Tuesday, 13 November 2001 2:19 PM To: '[EMAIL PROTECTED]' Subject: RE: V-6 or 4cyl? or how about this the nissan patrol 3L 4 cylinder turbo diesel puts out over 300nm where the old 2.8 6 cyl motor wouldn't come close to that and I don't think it is because of the 200 cc. Ryan > -----Original Message----- > From: Andrew Greenbury [SMTP:[EMAIL PROTECTED]] > Sent: Tuesday, 13 November 2001 1:53 pm > To: [EMAIL PROTECTED] > Subject: RE: V-6 or 4cyl? > > yep i agree with your reasoning nick > > andrew > > > Just guessing... > > > > It would come down to > > 1. volumetric efficiency (intake swirl, compression ratio, chamber shape > etc..) > > 2. Bore (the larger the piston area - the larger the force on the conrod > to the crank) > > 3. Stroke ( the longer the stroke the larger the torque <turning force> > at the crank) > > 4. Firing order/sequence > > > > The 2 Litre 4cyl would probably have bigger piston diameter AND longer > stroke than 2 Litre V-6 . > > Only one cylinder can fire at a time so it looks like the 4cyl is the > grunty one > > BUT > > The 6cyl has more OVERLAP so after one cylinder fires the next one in > sequence fires sooner than in a four cylinder. > > If the volumetric efficiency of both engines is the same then I would > expect the 4cyl to have the higher torque output per cycle and <just > guessing> max. torque measured on dyno. > > When averaged out though (by the flywheel) the 6cyl has the smoother > torque curve and could be the winner. > > > > Food for thought > > Nick > > 1979 Datsun Stanza > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > > > Sent: Tuesday, 13 November 2001 11:32 AM > > > To: [EMAIL PROTECTED] > > > Subject: V-6 or 4cyl? > > > > > > > > > Hey All, > > > > > > Does anyone know whether it is the number of cylinders or the capacity > of an > > > engine that determines it's torque? > > > > > > That is would a 2l V6 have more torque that a 2l 4 cyl?? > > > > > > Iggy (dreaming again) Sandejas > > > Sydney NSW > > > Datsun 1600 FJ20t > > > > > > > > > > This message was sent through MyMail http://www.mymail.com.au > > > > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
